Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators (ISO 389-3:1994)
NORMA vydána dne 24.11.1999
Designation standards: UNE-EN ISO 389-3:1999
Note: NEPLATNÁ
Publication date standards: 24.11.1999
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE